Police have arrested a woman on suspicion of assisting an offender following a stabbing in Southend.
A boy was airlifted to hospital follwing the stabbing in Christchurch Road, Southend, on August 18.
He suffered stab wounds to his shoulder and back but the injuries were not life-threatening.
Police initially arrested a 13-year-old boy and two 17-year-old girls in connection with the incident.
The girls have since been released without charge while the 13-year-old boy has been re-bailed until November 14.
The 37-year-old woman has been released on police bail until Wednesday, November 14.